SW718H-P is a premium Ni-Cr-Mo prehardened mold steel developed by Baowu Baosteel, equivalent to DIN 1.2738 / AISI P20+Ni, ideal for high-standard plastic injection molds.

Core Advantages

• Ultra-high purity via VD vacuum refining & heavy forging, minimal segregation

• Uniform hardness 33–38HRC across thick blocks, stable dimensional performance

• Outstanding mirror polishing & consistent chemical etching texture

• Great machinability, EDM & weld repair performance

• Pre-hardened delivery, skip secondary heat treatment, cut production cost & lead time

Typical Applications Automotive interior molds (dashboard, door panel, lamp housing) Home appliance & office equipment plastic housings High-gloss cosmetic / electronic plastic molds Blow molds & medium-run precision forming tools

Full size range in stock, complete mill test certificate & ultrasonic inspection report available. If you’re sourcing reliable mold steel with stable quality, feel free to DM for data sheet & quotation.